Null flux were suggested by Danby and Powell in the late 1960's as a useful means for realizing induced lift with little drag. As an array of alternating magnets is translated past a set of null flux coils, the currents induced in these coils act to vertically center the magnets on those coils. At present, one Japanese MAGLEV system company and two American-based companies are employing either null flux or flux eliminating coils in their design for high speed magnetically levitated transportation. The principle question addressed in paper is: what is the proper choice of coil length to magnet length in a null flux system? A generic analysis in the time and frequency domain is laid out with the intent of showing the optimal design specification in terms of coil parameters.


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    Titel :

    Designing with null flux coils


    Beteiligte:
    Davey, K.R. (Autor:in)

    Erschienen in:

    IEEE Transactions on Magnetics ; 33 , 5, pt.3 ; 4327-4334


    Erscheinungsdatum :

    1997


    Format / Umfang :

    8 Seiten, 7 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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